... the administration's contention the tariffs are aimed at China are misguided and that Trump's invocation of national security in its reasoning could open a "Pandora's box" for other countries to do the same.

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Most of the unfair trading that's going on in steel and aluminum is emanating from China, and this action does very little, if anything, to affect China. So instead, we're hitting our closest allies and partners with a set of tariffs under the justification of national security, while the administration is making it more difficult for those allies and partners to work with us jointly to put pressure on China to reduce its excess capacity. We're the ones who now look internationally isolated as opposed to the Chinese, which is where the attention of the global economy should be, because that's where the distorting policies are taking place.